<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>good</title>
    <!-- <style>
        .wang{
        border-collapse:collapse;
}
    </style> -->
</head>
<body>
    <table class="wang" border="2" width="200" height="200">
        <thead class="wang.head">
        <th bgcolor="yellow">姓名</th>  <!-- 设置背景颜色 -->
        <th>年龄</th>
        <th>学号</th>
        </thead>
        <tbody class="wang.body">
        <tr bgcolor="green">
            <td align="center" colspan="3">1</td>  <!-- 横跨三列 -->
            <!-- <td align="center" >2</td>
            <td align="center">3</td> -->
        </tr>
    
        <tr>
            <td align="center" rowspan="2">4</td>  <!-- 横跨两行 -->
            <td align="center">5</td>
            <td align="center" bgcolor="red">6</td>
        </tr>
        <tr>
            <td align="center">4</td>
            <td align="center">5</td>
            <!-- <td align="center" bgcolor="red">6</td> -->
        </tr>
        </tbody>
        
    </table>


    <ul>
        <li>你好</li>
        <li>你是？</li>
        
    </ul>
    <ol>
        <li>你好</li>
        <li>你是？</li>
    </ol>


    <font color="blue" size="+5">你是谁？</font>
    <br>
    <font color="#48D1CC" >你是谁？</font>


<div>
    <input type="test" value="输入姓名："> <!-- value显示文字 -->
    <br>
    <input type="password" placeholder="输入密码: "> <!-- 会显示在文本框中 -->
</div>

    <form method="get" action="https://how2j.cn/study/login.jsp">
    账号：<input type="text" name="name"> <br/>
    密码：<input type="password" name="password" > <br/>
    <input type="submit" value="登陆">
    </form>


    <p>今天晚上做什么？</p>
 
学习java<input type="radio" name="activity" value="学习java" > <br/>
东京热<input type="radio" checked="checked"  name="activity" value="tokyohot" > <br/>
dota<input type="radio" name="activity" value="dota" > <br/>
LOL<input type="radio" name="activity"  value="lol"> <br/>
</body>
</html>
